/**
  ******************************************************************************
  * @file    Project/STM32F10x_StdPeriph_Template/stm32f10x_it.c
  * @author  MCD Application Team
  * @version V3.5.0
  * @date    08-April-2011
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and
  *          peripherals interrupt service routine.
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTI

  AL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_it.h"

/** @addtogroup STM32F10x_StdPeriph_Template
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M3 Processor Exceptions Handlers                         */
/******************************************************************************/

/**
  * @brief  This function handles NMI exception.
  * @param  None
  * @retval None
  */
void NMI_Handler(void)
{
}

/**
  * @brief  This function handles Hard Fault exception.
  * @param  None
  * @retval None
  */
void HardFault_Handler(void)
{
    /* Go to infinite loop when Hard Fault exception occurs */
    while(1)
    {
    }
}

/**
  * @brief  This function handles Memory Manage exception.
  * @param  None
  * @retval None
  */
void MemManage_Handler(void)
{
    /* Go to infinite loop when Memory Manage exception occurs */
    while(1)
    {
    }
}

/**
  * @brief  This function handles Bus Fault exception.
  * @param  None
  * @retval None
  */
void BusFault_Handler(void)
{
    /* Go to infinite loop when Bus Fault exception occurs */
    while(1)
    {
    }
}

/**
  * @brief  This function handles Usage Fault exception.
  * @param  None
  * @retval None
  */
void UsageFault_Handler(void)
{
    /* Go to infinite loop when Usage Fault exception occurs */
    while(1)
    {
    }
}

/**
  * @brief  This function handles SVCall exception.
  * @param  None
  * @retval None
  */
void SVC_Handler(void)
{
}

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_Handler(void)
{
}

/**
  * @brief  This function handles PendSVC exception.
  * @param  None
  * @retval None
  */
void PendSV_Handler(void)
{
}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
void SysTick_Handler(void)
{
}

extern u16 capture;
extern u8 pa6_state, pa7_state;
extern __IO u16 CCR1_Val;//72000000/36/40=50KHZ
extern __IO u16 CCR2_Val;//72000000/36/20000=100HZ
extern float zhankong1;
extern float zhankong2;

void TIM3_IRQHandler(void)
{
    /* TIM3_CH1 toggling with frequency = 50KHz */
    if(TIM_GetITStatus(TIM3, TIM_IT_CC1) != RESET)
    {
        TIM_ClearITPendingBit(TIM3, TIM_IT_CC1);
        capture = TIM_GetCapture1(TIM3);
        if(pa6_state == 0)
        {
            TIM_SetCompare1(TIM3, capture + (u16)CCR1_Val * zhankong1);
            pa6_state = 1;
        }
        else
        {
            TIM_SetCompare1(TIM3, capture + (u16)CCR1_Val * (1 - zhankong1));
            pa6_state = 0;
        }
    }

    /* TIM3_CH2 toggling with frequency = 100 Hz */
    if(TIM_GetITStatus(TIM3, TIM_IT_CC2) != RESET)
    {
        TIM_ClearITPendingBit(TIM3, TIM_IT_CC2);
        capture = TIM_GetCapture2(TIM3);
        if(pa7_state == 0)
        {
            TIM_SetCompare2(TIM3, capture + (u16)CCR2_Val * zhankong2);
            pa7_state = 1;
        }
        else
        {
            TIM_SetCompare2(TIM3, capture + (u16)CCR2_Val * (1 - zhankong2));
            pa7_state = 0;
        }
    }
}

/******************************************************************************/
/*                 STM32F10x Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32f10x_xx.s).                                            */
/******************************************************************************/

/**
  * @brief  This function handles TIM2 interrupt request.
  * @param  None
  * @retval None
  */

/**
  * @brief  This function handles PPP interrupt request.
  * @param  None
  * @retval None
  */
/*void PPP_IRQHandler(void)
{
}*/

/**
  * @}
  */


/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
